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Sweep 06 Nov 2026 · 01:32Z Build v2.1.319 537 read Stable v2.1.311 Latest v2.1.318 Next v2.1.319 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.319 ·

Loading a saved session handles rewinds differently and can skip two reports

The saved-session loader has a new mode that skips two diagnostic reports, and rewind records now note where the cut was made

Under the hood Internal Changes
JSON All of v2.1.319
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
SessionsArea: what it touches
Internal ChangesKind: in v2.1.319,
Internal ChangesSection of the release

Unclear It is not clear whether resuming a session after a rewind now continues from a different point.

What

Claude Code saves each session, one conversation with Claude, so it can be loaded again later. A rewind takes a session back to an earlier point. Records of a rewind now also store where the conversation was cut.

The code that loads a saved session also has a new mode. In that mode it does not send two diagnostic reports to Anthropic: one about a loop in the conversation's history, and one about a history that ends on a saved copy of files.

Separately, the built-in fallback value for the remote setting tengu_synthetic_fog, used when the server sends nothing, changed from "/cwd" to "history.jsonl".

Why

Resuming a session after a rewind may now continue from a different point in its history.

Read from
Feature flag
tengu_synthetic_fog Not enough to say

Nothing here resolved what this flag was doing on this version, so nothing here should be read as on or off.

This account: no value returned · anonymous baseline: no value returned · compiled default in v2.1.319: not a boolean we can read

These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.

Read once, for one account on one subscription tier, against v2.1.319. It isn't a statement about your account. What a flag value here can and cannot tell you

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtIt is not clear whether resuming a session after a rewind now continues from a different point.

See this entry in the whole of v2.1.319 →

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